Sometimes you may need to copy data from one table to another using SQL. Here is how to copy data from one table to another in SQL.
SQL Server
How To Alter Column From NULL to NOT NULL
Here is how to change column from NULL to NOT NULL in SQL Server, MySQL, PostgreSQL using ALTER TABLE statement.
Top 5 Data Modeling Tools for SQL Server
Data modeling tools help with database design and administration. Here are the top 5 data modeling tools for SQL Server.
Top 5 Free Database Design Tools
Database design tools allow you to design database schema, and simplify database administration. Here are the top 5 free database design tools for your business.